275251949 has 16 divisors (see below), whose sum is σ = 322358400. Its totient is φ = 230143680.

The previous prime is 275251943. The next prime is 275251957. The reversal of 275251949 is 949152572.

It is a cyclic number.

It is not a de Polignac number, because 275251949 - 2¹⁶ = 275186413 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (275251943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 65102 + ... + 69200.

It is an arithmetic number, because the mean of its divisors is an integer number (20147400).

Almost surely, 2^275251949 is an apocalyptic number.

It is an amenable number.

275251949 is a deficient number, since it is larger than the sum of its proper divisors (47106451).

275251949 is a wasteful number, since it uses less digits than its factorization.

275251949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4340.

The product of its digits is 226800, while the sum is 44.

The square root of 275251949 is about 16590.7187608012. The cubic root of 275251949 is about 650.4942583914.

The spelling of 275251949 in words is "two hundred seventy-five million, two hundred fifty-one thousand, nine hundred forty-nine".